Six Months
Ended
June 30, 2012

Six Months
Ended
June 30, 2011

Supplemental schedule of non-cash investing and financing activities:

Distribution payable on preferred stock

$

4,798

$

452

Exchange of Units for common stock:

Noncontrolling interest

$

(2,469

)

$

(833

)

Common stock

3

1

Additional paid-in-capital

2,466

832

$

—

$

—

Write-off of fully depreciated assets

$

(27,754

)

$

(23,443

)

Mortgage loan payable assumed in conjunction with a property acquisition

$

(12,026

)

$

(24,417

)

Notes receivable issued in conjunction with certain property sales

$

—

$

1,029